Groups and Periods
Which group and period is Zirconium in?
Period 5, Group 4
What is Roentgenium’s atomic number?
111
What is Zinc’s atomic mass?
63.546
What is the symbol for Bohrium?
Bh
Is Lithium very reactive?
Yes.
Are periods up and down or side to side?
Side to side.
How do you find the atomic number?
The number of protons in the nucleus of an atom. In electrically neutral atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus. The atomic number of an element determines its position in the Periodic Table, and is usually denoted by the letter Z and written as a subscript before an element's symbol, as in 92U.
How do you find the atomic mass of an atom?
You add the number of protons together and the number of neutrons together.
What is the symbol for Sodium?
Na.
Does Lithium have very much energy?
No.
True or False: Argon is a noble gas.
True.
FREE POINTS: because your losing by so much
FREE POINTS!
How do you find the number of protons in an atom?
The atomic number is the number of protons in the nucleus.
What is the symbol for Lead?
Pb.
Which is more reactive: Iridium or Rhodium?
Iridium.
What is the least reactive element?
Helium
DOUBLE JEOPARDY! Random question: Is Sordium an element?
No, we made that up.
What element has an atomic mass of 69.732?
Gallium.
What is the symbol for Tungsten?
W.
Is Thorium radioactive?
Yes.
What group and period is Protactinium?
Period 7, group 5.
What is the atomic numbers of all the actinides and lanthanides combined?
2,400
What’s the Atomic Mass of the top 3 periods combined?
353.774
What is the symbol for Tin?
Sn.
How long is a half life of the most stable isotope of radium, Radium 226?
1,600 years.